Gas-liquid converter

Abstract

The utility model discloses a gas-liquid converter. The gas-liquid converter comprises a barrel, a first end cover and a second end cover. The interior of the barrel is visual, a floater is arranged in the barrel, the outer ring surface of the floater and the inner wall of the barrel are oppositely arranged, and a gap is reserved between the outer ring surface and the inner wall; the first end cover and the second end cover are installed at the two ends of the cylinder body respectively, a gas connecting hole used for injecting gas and an oil injection hole used for injecting hydraulic oil are formed in the first end cover, and an oil passing hole used for allowing the hydraulic oil to flow is formed in the second end cover. The floater floats on the upper surface of the hydraulic oil and is movably arranged in the axial direction of the barrel under the combined action of the hydraulic oil and gas. According to the gas-liquid converter, the emulsification and deterioration speed of the hydraulic oil is delayed, the service life of the hydraulic oil is prolonged, the driving stability of the hydraulic oil is kept, oil fluctuation and oil quality change of the hydraulic oil in the barrel are allowed to be visually observed, and new hydraulic oil can be replaced in time after the hydraulic oil is emulsified and deteriorated.

Description

Technical Field

[0001] The present application relates to the technical field of gas-liquid drive conversion, and in particular to a gas-liquid converter. Background Art

[0002] The gas-to-liquid converter converts gas pressure into corresponding oil pressure, and uses this oil pressure to drive the actuator. The gas-to-liquid converter can eliminate the adverse effects of air compressibility and is often used in gas-to-liquid cylinders, gas-to-liquid booster cylinders, etc.

[0003] Most of the existing gas-to-liquid converters are driven by direct contact between compressed air and hydraulic oil. When compressed air and hydraulic oil come into contact, it is easy to cause the hydraulic oil to emulsify and deteriorate. After the hydraulic oil is emulsified and deteriorates, the viscosity decreases, resulting in unstable driving pressure, affecting work efficiency and even causing equipment failure. In addition, the oil quality changes in the gas-to-liquid converter cannot be visually detected, and new hydraulic oil cannot be replaced in time after the hydraulic oil is emulsified and deteriorates. Utility Model Content

[0004] The purpose of the present application is to provide a gas-liquid converter to slow down the emulsification and deterioration rate of hydraulic oil, extend the service life of hydraulic oil, maintain the driving stability of hydraulic oil drive, visually observe the oil quality changes of hydraulic oil in the cylinder, and replace new hydraulic oil in time after the hydraulic oil is emulsified and deteriorated.

[0005] The gas-liquid converter provided by the technical solution of the present application includes: a cylinder, the interior of the cylinder is visible, a float is arranged in the cylinder, the outer annular surface of the float is arranged opposite to the inner wall of the cylinder with a gap; a first end cover and a second end cover, the first end cover and the second end cover are respectively installed at the two ends of the cylinder, the first end cover is provided with a gas connection hole for injecting gas and an oil injection hole for injecting hydraulic oil, and the second end cover is provided with an oil through hole for the flow of hydraulic oil, after the cylinder is injected with hydraulic oil, the float floats on the upper surface of the hydraulic oil and is movably arranged along the axial direction of the cylinder under the joint action of the hydraulic oil and gas.

[0006] Optionally, the gas-liquid converter further comprises a pull rod, wherein the pull rod is located in the cylinder, and both ends of the pull rod are respectively mounted on the first end cover and the second end cover, and the float is slidably sleeved in the pull rod.

[0007] Optionally, at least one of the first end cover and the second end cover is provided with a mounting hole, and the end of the pull rod passes through the mounting hole and extends outside the cylinder and is limited on the first end cover or the second end cover by a fastener.

[0008] Optionally, the mounting hole comprises a connected connecting hole and a countersunk hole, the inner diameter of the countersunk hole is larger than the inner diameter of the mounting hole and a step is formed at the connection, the fastener abuts against the step and is limited in the countersunk hole.

[0009] Optionally, the number of the pull rods is at least three, and at least three pull rods are arranged along the circumference of the cylinder.

[0010] Optionally, a first baffle is further provided in the cylinder, the first baffle is arranged opposite to the first end cover with a spacing therebetween, and the gas connection hole is arranged opposite to the first baffle facing the opening in the cylinder.

[0011] Optionally, a second baffle is further provided in the cylinder, the second baffle is arranged opposite to the second end cover with a spacing therebetween, and the oil-through hole is arranged opposite to the second baffle facing the opening in the cylinder.

[0012] Optionally, the second end cover is further provided with an oil drain port, and the oil drain port is installed with a detachable plug.

[0013] Optionally, the float is a foam rubber plate.

[0014] Optionally, the cylinder is a transparent cylinder.

[0015] The above technical solution has the following beneficial effects:

[0016] The gas-liquid converter provided by the present application has a float floating on the upper surface of the hydraulic oil and spaced between the gas and the hydraulic oil, which can effectively reduce the contact area between the gas and the hydraulic oil, slow down the rate of emulsification and deterioration of the hydraulic oil, maintain the viscosity required for the stable operation of the hydraulic oil, maintain the stability of the hydraulic oil drive, and ensure the stability and work efficiency of the equipment operation. The interior of the cylinder is visualized, and the operator can observe the working condition of the hydraulic oil inside the cylinder in real time from the outside of the cylinder, so as to replace the new hydraulic oil and change the working condition in time after the hydraulic oil emulsification and deterioration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional view of a gas-liquid converter in one embodiment of the present application;

[0018] Figure 2 A three-dimensional view of a gas-liquid converter from another angle in one embodiment of the present application;

[0019] Figure 3 This is a schematic diagram of the structure of a gas-liquid converter in one embodiment of the present application;

[0020] Figure 4 A top view of a gas-liquid converter in one embodiment of the present application;

[0021] Figure 5 This is a schematic diagram of the internal structure of a gas-liquid converter in one embodiment of the present application;

[0022] Figure 6 This is a schematic diagram of the internal structure of the gas-liquid converter from another angle in one embodiment of the present application.

[0023] Reference Numbers

[0024] 1-Cylinder.

[0025] 2- Float.

[0026] 3-first end cover, 30-gas connection hole, 31-oil filling hole, 32-mounting hole, 33-fastener.

[0027] 4-second end cover, 40-oil hole, 41-oil drain port, 42-plug.

[0028] 5- Pull rod.

[0029] 6-First baffle.

[0030] 7- Second baffle. DETAILED DESCRIPTION

[0031] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0032] It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, a variety of structural modes and implementation modes can be replaced by those skilled in the art. Therefore, the following specific implementation methods and drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the entirety of the utility model or as a limitation or restriction on the technical solution of the utility model.

[0033] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to different positions and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0034] The present application provides a gas-liquid converter, comprising: a cylinder 1 , a first end cover 3 and a second end cover 4 .

[0035] Please refer to Figure 1 to Figure 2 , Figures 5 and 6The material of the barrel 1 can be made of a transparent or translucent substrate to realize visualization of the inside of the barrel 1. In addition, a camera suitable for the size of the barrel 1 can be installed inside the barrel 1, and the camera is connected to a visualization interface or screen outside the barrel 1, and visualization of the inside of the barrel 1 is realized through the visualization interface or screen.

[0036] After the inside of the cylinder 1 is visualized, the air source pressure can be observed and changed in time, the throttle valve opening in the circuit can be adjusted, the stroke can be changed, etc., to change the speed of the hydraulic oil level rise or fall, and the float 2 material or float 2 thickness can be changed to slow down the change in oil quality. By observing the impact of the above multiple factors on the fluctuation of the hydraulic oil level and the change in oil quality, the actuation can be visualized and monitored in teaching aids, equipment exhibitions, test inspections and other occasions.

[0037] A float 2 is provided in the cylinder 1. The cylinder 1 may be a cylinder and the float 2 may be a circular plate. The outer annular surface of the float 2 is arranged opposite to the inner wall of the cylinder 1 with a gap therebetween. The gap value is between 1mm+0.5mm to allow the hydraulic oil to flow through the gap to the bottom of the float 2, thereby achieving the effect that the float 2 floats on the upper surface of the hydraulic oil, so that the float 2 is spaced between the gas and the hydraulic oil, thereby minimizing the contact between the gas and the hydraulic oil.

[0038] The first end cover 3 and the second end cover 4 are respectively installed at the two ends of the cylinder 1. The first end cover 3 is provided with a gas connection hole 30 for injecting gas and an oil injection hole 31 for injecting hydraulic oil. The second end cover 4 is provided with an oil through hole 40 for the flow of hydraulic oil. After the cylinder 1 is injected with hydraulic oil, the float 2 floats on the upper surface of the hydraulic oil and is movably arranged along the axial direction of the cylinder 1 under the combined action of the hydraulic oil and gas.

[0039] The operation process of the gas-liquid converter in the embodiment of the present application is as follows.

[0040] Oil filling: Open the oil filling hole 31, and the hydraulic oil is poured into the cylinder 1 from the oil filling hole 31. Under the effect of density difference, the float 2 finally floats on the upper surface of the hydraulic oil.

[0041] Drive: compressed air is input from the gas connection hole 30 of the first end cover 3 to push the float 2 to lower the oil level of the hydraulic oil. The hydraulic oil flows to the required actuator through the oil hole 40 to provide an actuating medium for the actuator.

[0042] Return stroke: When the actuator is reset, the hydraulic oil is pushed back into the cylinder 1 from the oil hole 40, and the oil level of the hydraulic oil rises.

[0043] In the gas-liquid converter provided in the embodiment of the present application, the float 2 floats on the upper surface of the hydraulic oil and is spaced between the gas and the hydraulic oil, which can effectively reduce the contact area between the gas and the hydraulic oil, slow down the rate of emulsification and deterioration of the hydraulic oil, maintain the viscosity required for the stable operation of the hydraulic oil, maintain the stability of the hydraulic oil drive, and ensure the stability and work efficiency of the equipment operation. The interior of the cylinder 1 is visualized, and the operator can observe the working condition of the hydraulic oil inside the cylinder 1 in real time from the outside of the cylinder 1, so as to replace the new hydraulic oil and change the working condition in time after the hydraulic oil emulsification and deterioration.

[0044] As an optional embodiment, the gas-liquid converter further comprises a tie rod 5, the tie rod 5 is located in the cylinder 1, the two ends of the tie rod 5 are respectively mounted on the first end cover 3 and the second end cover 4, and the float 2 is slidably mounted in the tie rod 5. Figure 1 to Figure 2 , Figures 5 and 6 The pull rod 5 in the embodiment of the present application not only guides the float 2, but also supports and limits the float 2, thereby preventing the float 2 from tipping over and increasing the stability of the float 2 in movement.

[0045] As an optional embodiment, at least one of the first end cover 3 and the second end cover 4 is provided with a mounting hole 32. The end of the pull rod 5 passes through the mounting hole 32 and extends to the outside of the cylinder 1 and is limited on the first end cover 3 or the second end cover 4 by a fastener 33. The fastener 33 can be a nut, and the end of the pull rod 5 is provided with an external thread. The nut is connected to the end of the pull rod 5 to limit the pull rod 5. The fastener 33 can also be a snap-fit ​​part, and the end of the pull rod 5 is snapped on the snap-fit ​​part to achieve limitation. In the embodiment of the present application, one of the first end cover 3 or the second end cover 4 can have a mounting hole 32. Taking the mounting hole 32 in the first end cover 3 as an example, Figures 1 to 6 As shown, the end of the pull rod 5 extends to the outside of the cylinder 1 through the mounting hole 32 and is limited on the first end cover 3 by the fastener 33. In the embodiment of the present application, the fastener 33 is arranged outside the cylinder 1 to facilitate the installation of the pull rod 5 and the first end cover 3 and / or the second end cover 4. Optionally, a sealing gasket can also be arranged between the nut and the mounting hole 3 to improve the sealing of the connection.

[0046] As an optional embodiment, the mounting hole 32 includes a connecting hole and a countersunk hole that are connected, the inner diameter of the countersunk hole is larger than the inner diameter of the connecting hole and a step is formed at the connection, and the fastener 33 abuts on the step and is limited in the countersunk hole. Figures 1 to 6 As shown, the step in the embodiment of the present application provides force support for the fastener 33, increases the stability of the connection between the pull rod 5 and the fastener 33, and the countersunk hole provides protection for the fastener 33.

[0047] As an optional embodiment, the number of the tie rods 5 is at least three, and the at least three tie rods 5 are arranged along the circumference of the cylinder 1. The float 2 is simultaneously sleeved on the at least three tie rods 5, and is guided and slidably limited by the at least three tie rods 5, which is conducive to further increasing the stability of the slide of the float 2. Figures 1 to 6 As shown, the number of the pull rods 5 may be three, and the three pull rods 5 are evenly arranged along the circumference of the cylinder 1 to evenly limit the float 2 along the circumference of the cylinder 1 .

[0048] As an optional embodiment, a first baffle 6 is further provided in the cylinder 1, and the first baffle 6 is arranged opposite to the first end cover 3 with a spacing therebetween, and the opening of the gas connection hole 30 facing the cylinder 1 is arranged opposite to the first baffle 6. The spacing in the embodiment of the present application can be set to 5mm±1mm. The first baffle 6 is connected to the first end cover 3 by bolts, and nuts or thicker gaskets are sleeved between the first end cover 3 and the first baffle 6 to achieve a spacing between the first baffle 6 and the first end cover 3. The first baffle 6 can prevent condensation when the gas flows into the cylinder 1, and can also reduce the amount of hydraulic oil carried in the gas when exhausting to the outside through the gas connection hole 30.

[0049] As an optional embodiment, a second baffle plate 7 is further provided in the cylinder 1, and the second baffle plate 7 is arranged opposite to the second end cover 4 with a spacing therebetween, and the oil hole 40 is arranged opposite to the second baffle plate 7 with an opening toward the cylinder 1. The spacing in the embodiment of the present application can be set to 5mm±1mm. The second baffle plate 7 is connected to the second end cover 4 by bolts, and nuts or thicker gaskets are sleeved between the second end cover 4 and the second baffle plate 7 to achieve a spacing between the second baffle plate 7 and the second end cover 4. The second baffle plate 7 can reduce the impact force of the hydraulic oil on the liquid in the cylinder 1, and reduce the degree of hydraulic oil splashing outward when the hydraulic oil flows back.

[0050] As an optional embodiment, the second end cover 4 is further provided with an oil drain port 41, and the oil drain port 41 is provided with a detachable plug 42. Figure 5 As shown, when the hydraulic oil in the cylinder 1 is emulsified and deteriorated to a certain extent and needs to be replaced, the plug 42 of the oil drain port 41 is opened to discharge the deteriorated emulsified oil.

[0051] As an optional embodiment, the float 2 is a foam rubber sheet. The foam rubber sheet has a density less than that of the hydraulic oil and has a certain strength, and can stably float on the upper surface of the hydraulic oil.

[0052] As an optional embodiment, the cylinder 1 is a transparent cylinder 1. The cylinder 1 can be made of transparent materials such as polycarbonate, and the liquid level and oil quality changes can be observed through the transparent cylinder.

[0053] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0054] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principles of the present invention, several other modifications can be made, which should also be considered as the protection scope of the present invention.

Claims

1. A gas-liquid converter, characterized in that: include: A cylinder, the interior of which is visible, a float is arranged in the cylinder, and an outer annular surface of the float is arranged opposite to an inner wall of the cylinder with a gap therebetween; A first end cover and a second end cover, wherein the first end cover and the second end cover are respectively mounted at two ends of the cylinder, the first end cover is provided with a gas connection hole for injecting gas and an oil injection hole for injecting hydraulic oil, and the second end cover is provided with an oil passage hole for the flow of hydraulic oil. After the cylinder is injected with hydraulic oil, the float floats on the upper surface of the hydraulic oil and is movably arranged along the axial direction of the cylinder under the combined action of the hydraulic oil and the gas.

2. The gas-to-liquid converter according to claim 1, characterized in that: The gas-liquid converter further comprises a pull rod, which is located in the cylinder, and two ends of the pull rod are respectively mounted on the first end cover and the second end cover, and the float is slidably sleeved in the pull rod.

3. The gas-to-liquid converter according to claim 2, characterized in that: At least one of the first end cover and the second end cover is provided with a mounting hole, and the end of the pull rod passes through the mounting hole and extends outside the cylinder and is limited on the first end cover or the second end cover by a fastener.

4. The gas-to-liquid converter according to claim 3, characterized in that: The mounting hole comprises a connected connection hole and a countersunk hole, the inner diameter of the countersunk hole is larger than the inner diameter of the mounting hole and a step is formed at the connection, the fastener abuts against the step and is limited in the countersunk hole.

5. The gas-to-liquid converter according to claim 3, characterized in that: The number of the pull rods is at least three, and at least three pull rods are arranged along the circumference of the cylinder.

6. The gas-to-liquid converter according to any one of claims 1 to 5, characterized in that: A first baffle is also disposed in the cylinder, and the first baffle is disposed opposite to the first end cover with a spacing therebetween. The gas connection hole is disposed opposite to the first baffle facing the opening in the cylinder.

7. The gas-to-liquid converter according to any one of claims 1 to 5, characterized in that: A second baffle is also disposed in the cylinder, and the second baffle is disposed opposite to the second end cover with a spacing therebetween. The oil-through hole is disposed opposite to the second baffle facing the opening in the cylinder.

8. The gas-to-liquid converter according to any one of claims 1 to 5, characterized in that: The second end cover is also provided with an oil drain port, and a detachable plug is installed at the oil drain port.

9. The gas-to-liquid converter according to any one of claims 1 to 5, characterized in that: The float is a foam rubber plate.

10. The gas-to-liquid converter according to any one of claims 1 to 5, characterized in that: The cylinder is a transparent cylinder.

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